Alfa AWUS036ACM 802.11ac 867 Mbps Adattatore USB WiFi Lungo Range DUAL BAND Mediatek
It features two RP-SMA antenna ports, and two 5 dBi dual-band antennas. The antennas are detachable and can be upgraded. AWUS036ACM is capable of receiving and transmitting on both the 2.4 GHz and 5 Ghz bands.